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NSN 5305-01-579-8731

High Torque Screw

About this product

Furnished with one o ring, cetyl alcohol lubricant, white paint on nonbearing surface of head.

Manufacturer part number ST3M652C6-22A for national stock number 5305015798731.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-579-8731.

  • MPN or Model

    ST3M652C6-22A

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.641 inches
  • Fastener Length
    2.016 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.756 inches and 0.760 inches
  • Head Height
    Between 0.115 inches and 0.117 inches
  • Grip Diameter
    Between 0.374 inches and 0.375 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.375 inches
  • Grip Length
    1.375 inches
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    Screw close tolerance assembly 100 degrees countersunk sealing head dovetail slot cres 125 ksi ftu
  • Material
    Steel comp xm-13
  • Surface Treatment
    Passivate
  • Thread Series Designator
    Unjf
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Close Tolerance Screw

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Mechanic Bill explains High Torque Screw

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NSN 5305015798731

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M652C6-22A Boeing Company, The
ST3M652C6-22A Sps Technologies, Llc
ST3M652C6-22A Valley-todeco, Inc.
ST3M652C6-22A Arconic Global Fasteners & Rings,
ST3M652C6-22A Heartland Precision Fasteners, Inc.
ST3M652C6-22A Huck International, Inc.
ST3M652C6-22A Houston Precision Fasteners I, Lp
ST3M652C6-22A Sps Technologies, Llc
ST3M652C6-22A Fastener Innovation Technology, Inc.
ST3M652C6-22A Sps Technologies, Llc
ST3M652C6-22A Reid Products Inc.
ST3M652C6-22A West Coast Aerospace Inc
ST3M652C6-22A Hi-shear Corporation
ST3M652C6-22A Sps Technologies, Llc
ST3M652C6-22A Alcoa Global Fasteners, Inc.
ST3M652C6-22A Sps Technologies Ltd Tj Brooks
ST3M652C6-22A Lisi Aerospace Canada Corp
Stock Check
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